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Definition of "tonic" []

  • An agent, such as a medication, that restores or increases body tone. (noun)
  • An invigorating, refreshing, or restorative agent or influence. (noun)
  • See tonic water. (noun)
  • Boston See soft drink. (noun)
  • Music The first note of a diatonic scale; the keynote. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "tonic" in a sentence
  • "August 5, 2009 at 7:51 am troo, could be grampaws hair tonic, *Vitalis n tonic*"
  • "The term tonic stress is usually preferred to refer to this kind of stress in referring, proclaiming, and reporting utterances."
  • "Manchester United 1 Chelsea 2 - Didier Drogbas controversial winner gives Blues a title tonic"